31442265

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1787}}^1$

素因数の和:1838

約数の個数: 48

約数和(自身を含む): 60248448

約数和(自身を除く): 28806183

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 765, 1035, 1173, 1787, 1955, 3519, 5361, 5865, 8935, 16083, 17595, 26805, 30379, 41101, 80415, 91137, 123303, 151895, 205505, 273411, 369909, 455685, 616515, 698717, 1367055, 1849545, 2096151, 3493585, 6288453, 10480755, 31442265]

約数ペア:

[(1, 31442265), (3, 10480755), (5, 6288453), (9, 3493585), (15, 2096151), (17, 1849545), (23, 1367055), (45, 698717), (51, 616515), (69, 455685), (85, 369909), (115, 273411), (153, 205505), (207, 151895), (255, 123303), (345, 91137), (391, 80415), (765, 41101), (1035, 30379), (1173, 26805), (1787, 17595), (1955, 16083), (3519, 8935), (5361, 5865)]